Home / 72,280.02-108,419.39-56,498.32

Finding the Fourth Proportional to 72,280.02, 108,419.39 and 56,498.32

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Solution

The fourth proportional to 72,280.02, 108,419.39 and 56,498.32 is: 84,746.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,280.02 : 108,419.39 = 56,498.32 : x
  2. Step 2: Convert to fraction form
    72,280.02/108,419.39 = 56,498.32/x
  3. Step 3: Cross multiply
    72,280.02x = 108,419.39 × 56,498.32
  4. Step 4: Simplify right side
    72,280.02x = 6,125,513,455.33
  5. Step 5: Solve for x
    x = 6,125,513,455.33/72,280.02
  6. Step 6: Final answer
    x = 84,746.98

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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.