Home / 93,191.45-128,607.55-54,933.53

Finding the Fourth Proportional to 93,191.45, 128,607.55 and 54,933.53

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Solution

The fourth proportional to 93,191.45, 128,607.55 and 54,933.53 is: 75,810.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,191.45 : 128,607.55 = 54,933.53 : x
  2. Step 2: Convert to fraction form
    93,191.45/128,607.55 = 54,933.53/x
  3. Step 3: Cross multiply
    93,191.45x = 128,607.55 × 54,933.53
  4. Step 4: Simplify right side
    93,191.45x = 7,064,865,925.78
  5. Step 5: Solve for x
    x = 7,064,865,925.78/93,191.45
  6. Step 6: Final answer
    x = 75,810.24

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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.