Home / 112,411.08-155,130.42-62,113.32

Finding the Fourth Proportional to 112,411.08, 155,130.42 and 62,113.32

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Solution

The fourth proportional to 112,411.08, 155,130.42 and 62,113.32 is: 85,718.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,411.08 : 155,130.42 = 62,113.32 : x
  2. Step 2: Convert to fraction form
    112,411.08/155,130.42 = 62,113.32/x
  3. Step 3: Cross multiply
    112,411.08x = 155,130.42 × 62,113.32
  4. Step 4: Simplify right side
    112,411.08x = 9,635,665,419.19
  5. Step 5: Solve for x
    x = 9,635,665,419.19/112,411.08
  6. Step 6: Final answer
    x = 85,718.11

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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.