Home / 93,060.12-128,421.66-50,617.68

Finding the Fourth Proportional to 93,060.12, 128,421.66 and 50,617.68

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Solution

The fourth proportional to 93,060.12, 128,421.66 and 50,617.68 is: 69,851.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,060.12 : 128,421.66 = 50,617.68 : x
  2. Step 2: Convert to fraction form
    93,060.12/128,421.66 = 50,617.68/x
  3. Step 3: Cross multiply
    93,060.12x = 128,421.66 × 50,617.68
  4. Step 4: Simplify right side
    93,060.12x = 6,500,406,490.95
  5. Step 5: Solve for x
    x = 6,500,406,490.95/93,060.12
  6. Step 6: Final answer
    x = 69,851.69

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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.