Home / 93,288.16-128,741.13-53,008.75

Finding the Fourth Proportional to 93,288.16, 128,741.13 and 53,008.75

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Solution

The fourth proportional to 93,288.16, 128,741.13 and 53,008.75 is: 73,154.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,288.16 : 128,741.13 = 53,008.75 : x
  2. Step 2: Convert to fraction form
    93,288.16/128,741.13 = 53,008.75/x
  3. Step 3: Cross multiply
    93,288.16x = 128,741.13 × 53,008.75
  4. Step 4: Simplify right side
    93,288.16x = 6,824,406,374.89
  5. Step 5: Solve for x
    x = 6,824,406,374.89/93,288.16
  6. Step 6: Final answer
    x = 73,154.05

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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.