Home / 121,140.63-181,748.16-62,017.80

Finding the Fourth Proportional to 121,140.63, 181,748.16 and 62,017.80

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Solution

The fourth proportional to 121,140.63, 181,748.16 and 62,017.80 is: 93,045.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,140.63 : 181,748.16 = 62,017.80 : x
  2. Step 2: Convert to fraction form
    121,140.63/181,748.16 = 62,017.80/x
  3. Step 3: Cross multiply
    121,140.63x = 181,748.16 × 62,017.80
  4. Step 4: Simplify right side
    121,140.63x = 11,271,621,037.25
  5. Step 5: Solve for x
    x = 11,271,621,037.25/121,140.63
  6. Step 6: Final answer
    x = 93,045.75

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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.