Home / 93,211.23-128,587.52-63,007.10

Finding the Fourth Proportional to 93,211.23, 128,587.52 and 63,007.10

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Solution

The fourth proportional to 93,211.23, 128,587.52 and 63,007.10 is: 86,920.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,211.23 : 128,587.52 = 63,007.10 : x
  2. Step 2: Convert to fraction form
    93,211.23/128,587.52 = 63,007.10/x
  3. Step 3: Cross multiply
    93,211.23x = 128,587.52 × 63,007.10
  4. Step 4: Simplify right side
    93,211.23x = 8,101,926,731.39
  5. Step 5: Solve for x
    x = 8,101,926,731.39/93,211.23
  6. Step 6: Final answer
    x = 86,920.07

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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.