Home / 70,345.20-105,547.78-46,661.01

Finding the Fourth Proportional to 70,345.20, 105,547.78 and 46,661.01

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Solution

The fourth proportional to 70,345.20, 105,547.78 and 46,661.01 is: 70,011.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,345.20 : 105,547.78 = 46,661.01 : x
  2. Step 2: Convert to fraction form
    70,345.20/105,547.78 = 46,661.01/x
  3. Step 3: Cross multiply
    70,345.20x = 105,547.78 × 46,661.01
  4. Step 4: Simplify right side
    70,345.20x = 4,924,966,257.88
  5. Step 5: Solve for x
    x = 4,924,966,257.88/70,345.20
  6. Step 6: Final answer
    x = 70,011.41

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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.