Home / 93,730.28-129,349.88-51,288.80

Finding the Fourth Proportional to 93,730.28, 129,349.88 and 51,288.80

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Solution

The fourth proportional to 93,730.28, 129,349.88 and 51,288.80 is: 70,779.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,730.28 : 129,349.88 = 51,288.80 : x
  2. Step 2: Convert to fraction form
    93,730.28/129,349.88 = 51,288.80/x
  3. Step 3: Cross multiply
    93,730.28x = 129,349.88 × 51,288.80
  4. Step 4: Simplify right side
    93,730.28x = 6,634,200,125.34
  5. Step 5: Solve for x
    x = 6,634,200,125.34/93,730.28
  6. Step 6: Final answer
    x = 70,779.69

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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.