Home / 93,492.08-129,018.12-57,667.76

Finding the Fourth Proportional to 93,492.08, 129,018.12 and 57,667.76

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Solution

The fourth proportional to 93,492.08, 129,018.12 and 57,667.76 is: 79,580.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,492.08 : 129,018.12 = 57,667.76 : x
  2. Step 2: Convert to fraction form
    93,492.08/129,018.12 = 57,667.76/x
  3. Step 3: Cross multiply
    93,492.08x = 129,018.12 × 57,667.76
  4. Step 4: Simplify right side
    93,492.08x = 7,440,185,979.81
  5. Step 5: Solve for x
    x = 7,440,185,979.81/93,492.08
  6. Step 6: Final answer
    x = 79,580.92

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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.