Home / 93,865.75-129,534.74-56,140

Finding the Fourth Proportional to 93,865.75, 129,534.74 and 56,140

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Solution

The fourth proportional to 93,865.75, 129,534.74 and 56,140 is: 77,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,865.75 : 129,534.74 = 56,140 : x
  2. Step 2: Convert to fraction form
    93,865.75/129,534.74 = 56,140/x
  3. Step 3: Cross multiply
    93,865.75x = 129,534.74 × 56,140
  4. Step 4: Simplify right side
    93,865.75x = 7,272,080,303.60
  5. Step 5: Solve for x
    x = 7,272,080,303.60/93,865.75
  6. Step 6: Final answer
    x = 77,473.20

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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.