Home / 98,700.54-136,207.56-56,261.80

Finding the Fourth Proportional to 98,700.54, 136,207.56 and 56,261.80

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Solution

The fourth proportional to 98,700.54, 136,207.56 and 56,261.80 is: 77,641.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,700.54 : 136,207.56 = 56,261.80 : x
  2. Step 2: Convert to fraction form
    98,700.54/136,207.56 = 56,261.80/x
  3. Step 3: Cross multiply
    98,700.54x = 136,207.56 × 56,261.80
  4. Step 4: Simplify right side
    98,700.54x = 7,663,282,880.45
  5. Step 5: Solve for x
    x = 7,663,282,880.45/98,700.54
  6. Step 6: Final answer
    x = 77,641.76

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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.