Home / 99,398.76-137,160.05-59,104.74

Finding the Fourth Proportional to 99,398.76, 137,160.05 and 59,104.74

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Solution

The fourth proportional to 99,398.76, 137,160.05 and 59,104.74 is: 81,558.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,398.76 : 137,160.05 = 59,104.74 : x
  2. Step 2: Convert to fraction form
    99,398.76/137,160.05 = 59,104.74/x
  3. Step 3: Cross multiply
    99,398.76x = 137,160.05 × 59,104.74
  4. Step 4: Simplify right side
    99,398.76x = 8,106,808,873.40
  5. Step 5: Solve for x
    x = 8,106,808,873.40/99,398.76
  6. Step 6: Final answer
    x = 81,558.45

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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.