Home / 93,157.13-128,557.14-50,715.96

Finding the Fourth Proportional to 93,157.13, 128,557.14 and 50,715.96

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Solution

The fourth proportional to 93,157.13, 128,557.14 and 50,715.96 is: 69,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,157.13 : 128,557.14 = 50,715.96 : x
  2. Step 2: Convert to fraction form
    93,157.13/128,557.14 = 50,715.96/x
  3. Step 3: Cross multiply
    93,157.13x = 128,557.14 × 50,715.96
  4. Step 4: Simplify right side
    93,157.13x = 6,519,898,579.77
  5. Step 5: Solve for x
    x = 6,519,898,579.77/93,157.13
  6. Step 6: Final answer
    x = 69,988.19

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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.