Home / 89,387.60-134,117.94-47,256.45

Finding the Fourth Proportional to 89,387.60, 134,117.94 and 47,256.45

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Solution

The fourth proportional to 89,387.60, 134,117.94 and 47,256.45 is: 70,904.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,387.60 : 134,117.94 = 47,256.45 : x
  2. Step 2: Convert to fraction form
    89,387.60/134,117.94 = 47,256.45/x
  3. Step 3: Cross multiply
    89,387.60x = 134,117.94 × 47,256.45
  4. Step 4: Simplify right side
    89,387.60x = 6,337,937,725.71
  5. Step 5: Solve for x
    x = 6,337,937,725.71/89,387.60
  6. Step 6: Final answer
    x = 70,904.00

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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.