Home / 59,981.40-89,972.10-59,106.60

Finding the Fourth Proportional to 59,981.40, 89,972.10 and 59,106.60

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Solution

The fourth proportional to 59,981.40, 89,972.10 and 59,106.60 is: 88,659.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,981.40 : 89,972.10 = 59,106.60 : x
  2. Step 2: Convert to fraction form
    59,981.40/89,972.10 = 59,106.60/x
  3. Step 3: Cross multiply
    59,981.40x = 89,972.10 × 59,106.60
  4. Step 4: Simplify right side
    59,981.40x = 5,317,944,925.86
  5. Step 5: Solve for x
    x = 5,317,944,925.86/59,981.40
  6. Step 6: Final answer
    x = 88,659.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.