Home / 97,328.10-145,700.55-57,864.90

Finding the Fourth Proportional to 97,328.10, 145,700.55 and 57,864.90

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Solution

The fourth proportional to 97,328.10, 145,700.55 and 57,864.90 is: 86,623.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,328.10 : 145,700.55 = 57,864.90 : x
  2. Step 2: Convert to fraction form
    97,328.10/145,700.55 = 57,864.90/x
  3. Step 3: Cross multiply
    97,328.10x = 145,700.55 × 57,864.90
  4. Step 4: Simplify right side
    97,328.10x = 8,430,947,755.70
  5. Step 5: Solve for x
    x = 8,430,947,755.70/97,328.10
  6. Step 6: Final answer
    x = 86,623.98

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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.