Home / 77,762.04-116,783.58-71,510.52

Finding the Fourth Proportional to 77,762.04, 116,783.58 and 71,510.52

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Solution

The fourth proportional to 77,762.04, 116,783.58 and 71,510.52 is: 107,395.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,762.04 : 116,783.58 = 71,510.52 : x
  2. Step 2: Convert to fraction form
    77,762.04/116,783.58 = 71,510.52/x
  3. Step 3: Cross multiply
    77,762.04x = 116,783.58 × 71,510.52
  4. Step 4: Simplify right side
    77,762.04x = 8,351,254,533.26
  5. Step 5: Solve for x
    x = 8,351,254,533.26/77,762.04
  6. Step 6: Final answer
    x = 107,395.00

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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.