Home / 84,775.20-116,864.84-64,597.08

Finding the Fourth Proportional to 84,775.20, 116,864.84 and 64,597.08

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Solution

The fourth proportional to 84,775.20, 116,864.84 and 64,597.08 is: 89,048.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,775.20 : 116,864.84 = 64,597.08 : x
  2. Step 2: Convert to fraction form
    84,775.20/116,864.84 = 64,597.08/x
  3. Step 3: Cross multiply
    84,775.20x = 116,864.84 × 64,597.08
  4. Step 4: Simplify right side
    84,775.20x = 7,549,127,418.67
  5. Step 5: Solve for x
    x = 7,549,127,418.67/84,775.20
  6. Step 6: Final answer
    x = 89,048.77

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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.