Home / 115,536.08-159,437.76-64,545.50

Finding the Fourth Proportional to 115,536.08, 159,437.76 and 64,545.50

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Solution

The fourth proportional to 115,536.08, 159,437.76 and 64,545.50 is: 89,071.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,536.08 : 159,437.76 = 64,545.50 : x
  2. Step 2: Convert to fraction form
    115,536.08/159,437.76 = 64,545.50/x
  3. Step 3: Cross multiply
    115,536.08x = 159,437.76 × 64,545.50
  4. Step 4: Simplify right side
    115,536.08x = 10,290,989,938.08
  5. Step 5: Solve for x
    x = 10,290,989,938.08/115,536.08
  6. Step 6: Final answer
    x = 89,071.66

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1.5x scale

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.