Home / 77,778.02-116,572.23-40,317.45

Finding the Fourth Proportional to 77,778.02, 116,572.23 and 40,317.45

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Solution

The fourth proportional to 77,778.02, 116,572.23 and 40,317.45 is: 60,427.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,778.02 : 116,572.23 = 40,317.45 : x
  2. Step 2: Convert to fraction form
    77,778.02/116,572.23 = 40,317.45/x
  3. Step 3: Cross multiply
    77,778.02x = 116,572.23 × 40,317.45
  4. Step 4: Simplify right side
    77,778.02x = 4,699,895,054.41
  5. Step 5: Solve for x
    x = 4,699,895,054.41/77,778.02
  6. Step 6: Final answer
    x = 60,427.04

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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.