Home / 69,069.90-103,681.65-42,804.30

Finding the Fourth Proportional to 69,069.90, 103,681.65 and 42,804.30

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Solution

The fourth proportional to 69,069.90, 103,681.65 and 42,804.30 is: 64,254.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,069.90 : 103,681.65 = 42,804.30 : x
  2. Step 2: Convert to fraction form
    69,069.90/103,681.65 = 42,804.30/x
  3. Step 3: Cross multiply
    69,069.90x = 103,681.65 × 42,804.30
  4. Step 4: Simplify right side
    69,069.90x = 4,438,020,451.10
  5. Step 5: Solve for x
    x = 4,438,020,451.10/69,069.90
  6. Step 6: Final answer
    x = 64,254.04

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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.