Home / 94,345.32-130,205.75-70,430.46

Finding the Fourth Proportional to 94,345.32, 130,205.75 and 70,430.46

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Solution

The fourth proportional to 94,345.32, 130,205.75 and 70,430.46 is: 97,200.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,345.32 : 130,205.75 = 70,430.46 : x
  2. Step 2: Convert to fraction form
    94,345.32/130,205.75 = 70,430.46/x
  3. Step 3: Cross multiply
    94,345.32x = 130,205.75 × 70,430.46
  4. Step 4: Simplify right side
    94,345.32x = 9,170,450,514.99
  5. Step 5: Solve for x
    x = 9,170,450,514.99/94,345.32
  6. Step 6: Final answer
    x = 97,200.91

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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.