Home / 102,038.58-152,803.30-64,485.36

Finding the Fourth Proportional to 102,038.58, 152,803.30 and 64,485.36

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Solution

The fourth proportional to 102,038.58, 152,803.30 and 64,485.36 is: 96,567.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,038.58 : 152,803.30 = 64,485.36 : x
  2. Step 2: Convert to fraction form
    102,038.58/152,803.30 = 64,485.36/x
  3. Step 3: Cross multiply
    102,038.58x = 152,803.30 × 64,485.36
  4. Step 4: Simplify right side
    102,038.58x = 9,853,575,809.69
  5. Step 5: Solve for x
    x = 9,853,575,809.69/102,038.58
  6. Step 6: Final answer
    x = 96,567.16

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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.