Home / 70,038.12-105,055.56-23,291.40

Finding the Fourth Proportional to 70,038.12, 105,055.56 and 23,291.40

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Solution

The fourth proportional to 70,038.12, 105,055.56 and 23,291.40 is: 34,936.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,038.12 : 105,055.56 = 23,291.40 : x
  2. Step 2: Convert to fraction form
    70,038.12/105,055.56 = 23,291.40/x
  3. Step 3: Cross multiply
    70,038.12x = 105,055.56 × 23,291.40
  4. Step 4: Simplify right side
    70,038.12x = 2,446,891,070.18
  5. Step 5: Solve for x
    x = 2,446,891,070.18/70,038.12
  6. Step 6: Final answer
    x = 34,936.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.