Home / 52,045.52-78,068.10-12,602.60

Finding the Fourth Proportional to 52,045.52, 78,068.10 and 12,602.60

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Solution

The fourth proportional to 52,045.52, 78,068.10 and 12,602.60 is: 18,903.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,045.52 : 78,068.10 = 12,602.60 : x
  2. Step 2: Convert to fraction form
    52,045.52/78,068.10 = 12,602.60/x
  3. Step 3: Cross multiply
    52,045.52x = 78,068.10 × 12,602.60
  4. Step 4: Simplify right side
    52,045.52x = 983,861,037.06
  5. Step 5: Solve for x
    x = 983,861,037.06/52,045.52
  6. Step 6: Final answer
    x = 18,903.86

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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.