Home / 60,205.47-90,312.53-20,762.01

Finding the Fourth Proportional to 60,205.47, 90,312.53 and 20,762.01

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Solution

The fourth proportional to 60,205.47, 90,312.53 and 20,762.01 is: 31,144.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,205.47 : 90,312.53 = 20,762.01 : x
  2. Step 2: Convert to fraction form
    60,205.47/90,312.53 = 20,762.01/x
  3. Step 3: Cross multiply
    60,205.47x = 90,312.53 × 20,762.01
  4. Step 4: Simplify right side
    60,205.47x = 1,875,069,650.99
  5. Step 5: Solve for x
    x = 1,875,069,650.99/60,205.47
  6. Step 6: Final answer
    x = 31,144.51

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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.