Home / 93,681.36-129,273.84-53,394.12

Finding the Fourth Proportional to 93,681.36, 129,273.84 and 53,394.12

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Solution

The fourth proportional to 93,681.36, 129,273.84 and 53,394.12 is: 73,680.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,681.36 : 129,273.84 = 53,394.12 : x
  2. Step 2: Convert to fraction form
    93,681.36/129,273.84 = 53,394.12/x
  3. Step 3: Cross multiply
    93,681.36x = 129,273.84 × 53,394.12
  4. Step 4: Simplify right side
    93,681.36x = 6,902,462,925.82
  5. Step 5: Solve for x
    x = 6,902,462,925.82/93,681.36
  6. Step 6: Final answer
    x = 73,680.22

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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.