Home / 81,254.16-112,130.28-45,444.24

Finding the Fourth Proportional to 81,254.16, 112,130.28 and 45,444.24

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Solution

The fourth proportional to 81,254.16, 112,130.28 and 45,444.24 is: 62,712.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,254.16 : 112,130.28 = 45,444.24 : x
  2. Step 2: Convert to fraction form
    81,254.16/112,130.28 = 45,444.24/x
  3. Step 3: Cross multiply
    81,254.16x = 112,130.28 × 45,444.24
  4. Step 4: Simplify right side
    81,254.16x = 5,095,675,355.59
  5. Step 5: Solve for x
    x = 5,095,675,355.59/81,254.16
  6. Step 6: Final answer
    x = 62,712.79

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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.