Home / 66,707.20-92,055.45-42,842.98

Finding the Fourth Proportional to 66,707.20, 92,055.45 and 42,842.98

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Solution

The fourth proportional to 66,707.20, 92,055.45 and 42,842.98 is: 59,123.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,707.20 : 92,055.45 = 42,842.98 : x
  2. Step 2: Convert to fraction form
    66,707.20/92,055.45 = 42,842.98/x
  3. Step 3: Cross multiply
    66,707.20x = 92,055.45 × 42,842.98
  4. Step 4: Simplify right side
    66,707.20x = 3,943,929,803.24
  5. Step 5: Solve for x
    x = 3,943,929,803.24/66,707.20
  6. Step 6: Final answer
    x = 59,123.00

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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.