Home / 97,700.40-146,547.86-31,144.52

Finding the Fourth Proportional to 97,700.40, 146,547.86 and 31,144.52

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Solution

The fourth proportional to 97,700.40, 146,547.86 and 31,144.52 is: 46,715.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,700.40 : 146,547.86 = 31,144.52 : x
  2. Step 2: Convert to fraction form
    97,700.40/146,547.86 = 31,144.52/x
  3. Step 3: Cross multiply
    97,700.40x = 146,547.86 × 31,144.52
  4. Step 4: Simplify right side
    97,700.40x = 4,564,162,756.73
  5. Step 5: Solve for x
    x = 4,564,162,756.73/97,700.40
  6. Step 6: Final answer
    x = 46,715.91

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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.