Home / 85,277.32-117,715.14-64,118.08

Finding the Fourth Proportional to 85,277.32, 117,715.14 and 64,118.08

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Solution

The fourth proportional to 85,277.32, 117,715.14 and 64,118.08 is: 88,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,277.32 : 117,715.14 = 64,118.08 : x
  2. Step 2: Convert to fraction form
    85,277.32/117,715.14 = 64,118.08/x
  3. Step 3: Cross multiply
    85,277.32x = 117,715.14 × 64,118.08
  4. Step 4: Simplify right side
    85,277.32x = 7,547,668,763.73
  5. Step 5: Solve for x
    x = 7,547,668,763.73/85,277.32
  6. Step 6: Final answer
    x = 88,507.34

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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.