Home / 93,005.52-128,348.92-50,564.08

Finding the Fourth Proportional to 93,005.52, 128,348.92 and 50,564.08

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Solution

The fourth proportional to 93,005.52, 128,348.92 and 50,564.08 is: 69,779.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,005.52 : 128,348.92 = 50,564.08 : x
  2. Step 2: Convert to fraction form
    93,005.52/128,348.92 = 50,564.08/x
  3. Step 3: Cross multiply
    93,005.52x = 128,348.92 × 50,564.08
  4. Step 4: Simplify right side
    93,005.52x = 6,489,845,058.79
  5. Step 5: Solve for x
    x = 6,489,845,058.79/93,005.52
  6. Step 6: Final answer
    x = 69,779.14

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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.