Home / 91,134.13-125,827.29-58,946.77

Finding the Fourth Proportional to 91,134.13, 125,827.29 and 58,946.77

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Solution

The fourth proportional to 91,134.13, 125,827.29 and 58,946.77 is: 81,386.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,134.13 : 125,827.29 = 58,946.77 : x
  2. Step 2: Convert to fraction form
    91,134.13/125,827.29 = 58,946.77/x
  3. Step 3: Cross multiply
    91,134.13x = 125,827.29 × 58,946.77
  4. Step 4: Simplify right side
    91,134.13x = 7,417,112,028.62
  5. Step 5: Solve for x
    x = 7,417,112,028.62/91,134.13
  6. Step 6: Final answer
    x = 81,386.77

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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.