Home / 98,332.65-147,375.45-42,106.50

Finding the Fourth Proportional to 98,332.65, 147,375.45 and 42,106.50

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Solution

The fourth proportional to 98,332.65, 147,375.45 and 42,106.50 is: 63,106.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,332.65 : 147,375.45 = 42,106.50 : x
  2. Step 2: Convert to fraction form
    98,332.65/147,375.45 = 42,106.50/x
  3. Step 3: Cross multiply
    98,332.65x = 147,375.45 × 42,106.50
  4. Step 4: Simplify right side
    98,332.65x = 6,205,464,385.43
  5. Step 5: Solve for x
    x = 6,205,464,385.43/98,332.65
  6. Step 6: Final answer
    x = 63,106.86

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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.