Home / 112,718.16-155,549.14-62,416.08

Finding the Fourth Proportional to 112,718.16, 155,549.14 and 62,416.08

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Solution

The fourth proportional to 112,718.16, 155,549.14 and 62,416.08 is: 86,133.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,718.16 : 155,549.14 = 62,416.08 : x
  2. Step 2: Convert to fraction form
    112,718.16/155,549.14 = 62,416.08/x
  3. Step 3: Cross multiply
    112,718.16x = 155,549.14 × 62,416.08
  4. Step 4: Simplify right side
    112,718.16x = 9,708,767,566.17
  5. Step 5: Solve for x
    x = 9,708,767,566.17/112,718.16
  6. Step 6: Final answer
    x = 86,133.13

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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.