Home / 84,985.08-127,477.56-25,820.52

Finding the Fourth Proportional to 84,985.08, 127,477.56 and 25,820.52

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Solution

The fourth proportional to 84,985.08, 127,477.56 and 25,820.52 is: 38,730.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,985.08 : 127,477.56 = 25,820.52 : x
  2. Step 2: Convert to fraction form
    84,985.08/127,477.56 = 25,820.52/x
  3. Step 3: Cross multiply
    84,985.08x = 127,477.56 × 25,820.52
  4. Step 4: Simplify right side
    84,985.08x = 3,291,536,887.53
  5. Step 5: Solve for x
    x = 3,291,536,887.53/84,985.08
  6. Step 6: Final answer
    x = 38,730.76

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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.