Home / 93,027.66-128,381.55-53,291.34

Finding the Fourth Proportional to 93,027.66, 128,381.55 and 53,291.34

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Solution

The fourth proportional to 93,027.66, 128,381.55 and 53,291.34 is: 73,543.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,027.66 : 128,381.55 = 53,291.34 : x
  2. Step 2: Convert to fraction form
    93,027.66/128,381.55 = 53,291.34/x
  3. Step 3: Cross multiply
    93,027.66x = 128,381.55 × 53,291.34
  4. Step 4: Simplify right side
    93,027.66x = 6,841,624,830.78
  5. Step 5: Solve for x
    x = 6,841,624,830.78/93,027.66
  6. Step 6: Final answer
    x = 73,543.98

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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.