Home / 93,577.79-129,140.55-51,139.06

Finding the Fourth Proportional to 93,577.79, 129,140.55 and 51,139.06

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Solution

The fourth proportional to 93,577.79, 129,140.55 and 51,139.06 is: 70,573.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,577.79 : 129,140.55 = 51,139.06 : x
  2. Step 2: Convert to fraction form
    93,577.79/129,140.55 = 51,139.06/x
  3. Step 3: Cross multiply
    93,577.79x = 129,140.55 × 51,139.06
  4. Step 4: Simplify right side
    93,577.79x = 6,604,126,012.03
  5. Step 5: Solve for x
    x = 6,604,126,012.03/93,577.79
  6. Step 6: Final answer
    x = 70,573.65

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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.