Home / 93,066.31-128,430.93-50,625.01

Finding the Fourth Proportional to 93,066.31, 128,430.93 and 50,625.01

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Solution

The fourth proportional to 93,066.31, 128,430.93 and 50,625.01 is: 69,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,066.31 : 128,430.93 = 50,625.01 : x
  2. Step 2: Convert to fraction form
    93,066.31/128,430.93 = 50,625.01/x
  3. Step 3: Cross multiply
    93,066.31x = 128,430.93 × 50,625.01
  4. Step 4: Simplify right side
    93,066.31x = 6,501,817,115.56
  5. Step 5: Solve for x
    x = 6,501,817,115.56/93,066.31
  6. Step 6: Final answer
    x = 69,862.20

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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.