Home / 103,701.02-143,068.30-60,666.80

Finding the Fourth Proportional to 103,701.02, 143,068.30 and 60,666.80

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Solution

The fourth proportional to 103,701.02, 143,068.30 and 60,666.80 is: 83,697.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,701.02 : 143,068.30 = 60,666.80 : x
  2. Step 2: Convert to fraction form
    103,701.02/143,068.30 = 60,666.80/x
  3. Step 3: Cross multiply
    103,701.02x = 143,068.30 × 60,666.80
  4. Step 4: Simplify right side
    103,701.02x = 8,679,495,942.44
  5. Step 5: Solve for x
    x = 8,679,495,942.44/103,701.02
  6. Step 6: Final answer
    x = 83,697.31

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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.