Home / 112,381.48-155,088.42-62,079.40

Finding the Fourth Proportional to 112,381.48, 155,088.42 and 62,079.40

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Solution

The fourth proportional to 112,381.48, 155,088.42 and 62,079.40 is: 85,670.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,381.48 : 155,088.42 = 62,079.40 : x
  2. Step 2: Convert to fraction form
    112,381.48/155,088.42 = 62,079.40/x
  3. Step 3: Cross multiply
    112,381.48x = 155,088.42 × 62,079.40
  4. Step 4: Simplify right side
    112,381.48x = 9,627,796,060.55
  5. Step 5: Solve for x
    x = 9,627,796,060.55/112,381.48
  6. Step 6: Final answer
    x = 85,670.66

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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.