Home / 109,621.17-151,277.13-59,320.17

Finding the Fourth Proportional to 109,621.17, 151,277.13 and 59,320.17

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Solution

The fourth proportional to 109,621.17, 151,277.13 and 59,320.17 is: 81,861.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,621.17 : 151,277.13 = 59,320.17 : x
  2. Step 2: Convert to fraction form
    109,621.17/151,277.13 = 59,320.17/x
  3. Step 3: Cross multiply
    109,621.17x = 151,277.13 × 59,320.17
  4. Step 4: Simplify right side
    109,621.17x = 8,973,785,068.71
  5. Step 5: Solve for x
    x = 8,973,785,068.71/109,621.17
  6. Step 6: Final answer
    x = 81,861.79

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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.