Home / 112,960.02-155,820.06-70,444.74

Finding the Fourth Proportional to 112,960.02, 155,820.06 and 70,444.74

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Solution

The fourth proportional to 112,960.02, 155,820.06 and 70,444.74 is: 97,173.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,960.02 : 155,820.06 = 70,444.74 : x
  2. Step 2: Convert to fraction form
    112,960.02/155,820.06 = 70,444.74/x
  3. Step 3: Cross multiply
    112,960.02x = 155,820.06 × 70,444.74
  4. Step 4: Simplify right side
    112,960.02x = 10,976,703,613.48
  5. Step 5: Solve for x
    x = 10,976,703,613.48/112,960.02
  6. Step 6: Final answer
    x = 97,173.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.