Home / 69,823.52-96,360-64,903.04

Finding the Fourth Proportional to 69,823.52, 96,360 and 64,903.04

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Solution

The fourth proportional to 69,823.52, 96,360 and 64,903.04 is: 89,569.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,823.52 : 96,360 = 64,903.04 : x
  2. Step 2: Convert to fraction form
    69,823.52/96,360 = 64,903.04/x
  3. Step 3: Cross multiply
    69,823.52x = 96,360 × 64,903.04
  4. Step 4: Simplify right side
    69,823.52x = 6,254,056,934.40
  5. Step 5: Solve for x
    x = 6,254,056,934.40/69,823.52
  6. Step 6: Final answer
    x = 89,569.49

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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.