Home / 93,561.16-129,077.70-57,688.86

Finding the Fourth Proportional to 93,561.16, 129,077.70 and 57,688.86

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Solution

The fourth proportional to 93,561.16, 129,077.70 and 57,688.86 is: 79,588.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,561.16 : 129,077.70 = 57,688.86 : x
  2. Step 2: Convert to fraction form
    93,561.16/129,077.70 = 57,688.86/x
  3. Step 3: Cross multiply
    93,561.16x = 129,077.70 × 57,688.86
  4. Step 4: Simplify right side
    93,561.16x = 7,446,345,364.42
  5. Step 5: Solve for x
    x = 7,446,345,364.42/93,561.16
  6. Step 6: Final answer
    x = 79,588.00

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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.