Home / 57,041.46-78,713.64-31,547.16

Finding the Fourth Proportional to 57,041.46, 78,713.64 and 31,547.16

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Solution

The fourth proportional to 57,041.46, 78,713.64 and 31,547.16 is: 43,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,041.46 : 78,713.64 = 31,547.16 : x
  2. Step 2: Convert to fraction form
    57,041.46/78,713.64 = 31,547.16/x
  3. Step 3: Cross multiply
    57,041.46x = 78,713.64 × 31,547.16
  4. Step 4: Simplify right side
    57,041.46x = 2,483,191,795.26
  5. Step 5: Solve for x
    x = 2,483,191,795.26/57,041.46
  6. Step 6: Final answer
    x = 43,533.10

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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.