Home / 93,133.38-128,526.86-57,344.04

Finding the Fourth Proportional to 93,133.38, 128,526.86 and 57,344.04

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Solution

The fourth proportional to 93,133.38, 128,526.86 and 57,344.04 is: 79,136.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,133.38 : 128,526.86 = 57,344.04 : x
  2. Step 2: Convert to fraction form
    93,133.38/128,526.86 = 57,344.04/x
  3. Step 3: Cross multiply
    93,133.38x = 128,526.86 × 57,344.04
  4. Step 4: Simplify right side
    93,133.38x = 7,370,249,114.19
  5. Step 5: Solve for x
    x = 7,370,249,114.19/93,133.38
  6. Step 6: Final answer
    x = 79,136.49

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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.