Home / 64,316.70-88,708.24-56,345.08

Finding the Fourth Proportional to 64,316.70, 88,708.24 and 56,345.08

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Solution

The fourth proportional to 64,316.70, 88,708.24 and 56,345.08 is: 77,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,316.70 : 88,708.24 = 56,345.08 : x
  2. Step 2: Convert to fraction form
    64,316.70/88,708.24 = 56,345.08/x
  3. Step 3: Cross multiply
    64,316.70x = 88,708.24 × 56,345.08
  4. Step 4: Simplify right side
    64,316.70x = 4,998,272,879.46
  5. Step 5: Solve for x
    x = 4,998,272,879.46/64,316.70
  6. Step 6: Final answer
    x = 77,713.45

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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.