Home / 93,870.12-129,557.34-56,144.28

Finding the Fourth Proportional to 93,870.12, 129,557.34 and 56,144.28

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Solution

The fourth proportional to 93,870.12, 129,557.34 and 56,144.28 is: 77,489.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,870.12 : 129,557.34 = 56,144.28 : x
  2. Step 2: Convert to fraction form
    93,870.12/129,557.34 = 56,144.28/x
  3. Step 3: Cross multiply
    93,870.12x = 129,557.34 × 56,144.28
  4. Step 4: Simplify right side
    93,870.12x = 7,273,903,573.02
  5. Step 5: Solve for x
    x = 7,273,903,573.02/93,870.12
  6. Step 6: Final answer
    x = 77,489.02

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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.