Home / 78,503.42-108,332.40-44,515.01

Finding the Fourth Proportional to 78,503.42, 108,332.40 and 44,515.01

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Solution

The fourth proportional to 78,503.42, 108,332.40 and 44,515.01 is: 61,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,503.42 : 108,332.40 = 44,515.01 : x
  2. Step 2: Convert to fraction form
    78,503.42/108,332.40 = 44,515.01/x
  3. Step 3: Cross multiply
    78,503.42x = 108,332.40 × 44,515.01
  4. Step 4: Simplify right side
    78,503.42x = 4,822,417,697.72
  5. Step 5: Solve for x
    x = 4,822,417,697.72/78,503.42
  6. Step 6: Final answer
    x = 61,429.40

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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.