Home / 60,623.05-83,679.20-39,113.40

Finding the Fourth Proportional to 60,623.05, 83,679.20 and 39,113.40

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Solution

The fourth proportional to 60,623.05, 83,679.20 and 39,113.40 is: 53,989.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,623.05 : 83,679.20 = 39,113.40 : x
  2. Step 2: Convert to fraction form
    60,623.05/83,679.20 = 39,113.40/x
  3. Step 3: Cross multiply
    60,623.05x = 83,679.20 × 39,113.40
  4. Step 4: Simplify right side
    60,623.05x = 3,272,977,925.50
  5. Step 5: Solve for x
    x = 3,272,977,925.50/60,623.05
  6. Step 6: Final answer
    x = 53,989.00

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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.