Home / 86,448.08-129,303.48-53,086.16

Finding the Fourth Proportional to 86,448.08, 129,303.48 and 53,086.16

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Solution

The fourth proportional to 86,448.08, 129,303.48 and 53,086.16 is: 79,402.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,448.08 : 129,303.48 = 53,086.16 : x
  2. Step 2: Convert to fraction form
    86,448.08/129,303.48 = 53,086.16/x
  3. Step 3: Cross multiply
    86,448.08x = 129,303.48 × 53,086.16
  4. Step 4: Simplify right side
    86,448.08x = 6,864,225,227.84
  5. Step 5: Solve for x
    x = 6,864,225,227.84/86,448.08
  6. Step 6: Final answer
    x = 79,402.87

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1.5x scale

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.