Home / 86,985.09-130,476.42-24,655.59

Finding the Fourth Proportional to 86,985.09, 130,476.42 and 24,655.59

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Solution

The fourth proportional to 86,985.09, 130,476.42 and 24,655.59 is: 36,983.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,985.09 : 130,476.42 = 24,655.59 : x
  2. Step 2: Convert to fraction form
    86,985.09/130,476.42 = 24,655.59/x
  3. Step 3: Cross multiply
    86,985.09x = 130,476.42 × 24,655.59
  4. Step 4: Simplify right side
    86,985.09x = 3,216,973,116.19
  5. Step 5: Solve for x
    x = 3,216,973,116.19/86,985.09
  6. Step 6: Final answer
    x = 36,983.04

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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.